12504503 has 12 divisors (see below), whose sum is σ = 14555520. Its totient is φ = 10697280.

The previous prime is 12504497. The next prime is 12504517. The reversal of 12504503 is 30540521.

It is not a de Polignac number, because 12504503 - 2¹⁸ = 12242359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12504523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 983 + ... + 5096.

It is an arithmetic number, because the mean of its divisors is an integer number (1212960).

Almost surely, 2^12504503 is an apocalyptic number.

12504503 is a deficient number, since it is larger than the sum of its proper divisors (2051017).

12504503 is a wasteful number, since it uses less digits than its factorization.

12504503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6118 (or 6107 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 12504503 is about 3536.1706689582. The cubic root of 12504503 is about 232.1073064343.

The spelling of 12504503 in words is "twelve million, five hundred four thousand, five hundred three".